F118 engine qualified
A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.
Classification: Nuts of iron or steel
NSN 5960-01-470-1579
NSN 6135-01-648-4875
NSN 5996-01-575-1501
NSN 5998-00-951-9597
NSN 5930-00-482-0357
NSN 5920-00-546-3344
NSN 5910-01-166-7936
NSN 5950-01-356-8459
NSN 5915-01-356-0509
NSN 5999-00-383-9031
NSN 5935-01-502-7015
NSN 5960-01-124-0182